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Finding the Fourth Proportional to 231,659.19, 347,478.31 and 63,179.54

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Solution

The fourth proportional to 231,659.19, 347,478.31 and 63,179.54 is: 94,766.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,659.19 : 347,478.31 = 63,179.54 : x
  2. Step 2: Convert to fraction form
    231,659.19/347,478.31 = 63,179.54/x
  3. Step 3: Cross multiply
    231,659.19x = 347,478.31 × 63,179.54
  4. Step 4: Simplify right side
    231,659.19x = 21,953,521,029.58
  5. Step 5: Solve for x
    x = 21,953,521,029.58/231,659.19
  6. Step 6: Final answer
    x = 94,766.46

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.